<template>
  <!-- 导入表 -->
  <el-dialog title="导入表"
             :visible.sync="visible"
             width="800px"
             top="5vh"
             append-to-body>
    <el-form :model="queryParams"
             ref="queryForm"
             size="small"
             :inline="true">
      <el-form-item label="表名称"
                    prop="tableName">
        <el-input v-model="queryParams.tableName"
                  placeholder="请输入表名称"
                  clearable
                  @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="表描述"
                    prop="tableComment">
        <el-input v-model="queryParams.tableComment"
                  placeholder="请输入表描述"
                  clearable
                  @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary"
                   icon="el-icon-search"
                   size="mini"
                   @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh"
                   size="mini"
                   @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>
    <el-row>
      <el-table @row-click="clickRow"
                ref="table"
                :data="dbTableList"
                @selection-change="handleSelectionChange"
                height="260px">
        <el-table-column type="selection"
                         width="55"></el-table-column>
        <el-table-column prop="tableName"
                         label="表名称"
                         :show-overflow-tooltip="true"></el-table-column>
        <el-table-column prop="tableComment"
                         label="表描述"
                         :show-overflow-tooltip="true"></el-table-column>
        <el-table-column prop="createTime"
                         label="创建时间"></el-table-column>
        <el-table-column prop="updateTime"
                         label="更新时间"></el-table-column>
      </el-table>
      <pagination v-show="total>0"
                  :total="total"
                  :page.sync="queryParams.pageNum"
                  :limit.sync="queryParams.pageSize"
                  @pagination="getList" />
    </el-row>
    <div slot="footer"
         class="dialog-footer">
      <el-button type="primary"
                 @click="handleImportTable">确 定</el-button>
      <el-button @click="visible = false">取 消</el-button>
    </div>
  </el-dialog>
</template>

<script>
import { listDbTable, importTable } from "@/api/tool/gen"
export default {
  data () {
    return {
      // 遮罩层
      visible: false,
      // 选中数组值
      tables: [],
      // 总条数
      total: 0,
      // 表数据
      dbTableList: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        tableName: undefined,
        tableComment: undefined
      }
    }
  },
  methods: {
    // 显示弹框
    show () {
      this.getList()
      this.visible = true
    },
    clickRow (row) {
      this.$refs.table.toggleRowSelection(row)
    },
    // 多选框选中数据
    handleSelectionChange (selection) {
      this.tables = selection.map(item => item.tableName)
    },
    // 查询表数据
    getList () {
      listDbTable(this.queryParams).then(res => {
        if (res.code === 200) {
          this.dbTableList = res.rows
          this.total = res.total
        }
      })
    },
    /** 搜索按钮操作 */
    handleQuery () {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery () {
      this.resetForm("queryForm")
      this.handleQuery()
    },
    /** 导入按钮操作 */
    handleImportTable () {
      const tableNames = this.tables.join(",")
      if (tableNames == "") {
        this.$modal.msgError("请选择要导入的表")
        return
      }
      importTable({ tables: tableNames }).then(res => {
        this.$modal.msgSuccess(res.msg)
        if (res.code === 200) {
          this.visible = false
          this.$emit("ok")
        }
      })
    }
  }
};
</script>
